Parrots - Author says: "It is a favorite with the kids as they are amazed they can paint a parrot. I typically do it with Grade 5 but it is applicable from Grade 4 up I think." Links to a full how-to page!
This example is probably the most funny one on this website. Start by drawing a circle for the head. Add some details like the eyes and the beak. Then, you can sketch a simple wing using one line. I've added some lines on top of the head and on the tail to represent the feathers. Draw the legs and add some colors to complete your masterpiece!